Illustrated Plant List

Acmispon americanus var. americanus American bird's foot trefoil, American trefoil, Spanish lotus

native

Annual herb

Acmispon glaber var. glaber Deerweed

native

Perennial herb

Acmispon parviflorus Hill lotus

native

Annual herb

Adelinia grandis Hound's tongue, Western houndstongue, Adelinia

native

Perennial herb

Adenostoma fasciculatum Chamise

native

Tree, Shrub

Adiantum jordanii Adiantum, maiden hair fern

native

Fern

Aesculus californica Buckeye, California buckeye, California horse chestnut

native

Tree

SAPINDACEAE

Agastache urticifolia Horse mint, Horsemint giant hyssop, Nettle leaf giant hyssop

native

Perennial herb

Agoseris grandiflora var. grandiflora Giant mountain dandelion

native

Perennial herb

Agoseris heterophylla var. cryptopleura Mountain dandelion

native

Annual herb

Agoseris heterophylla var. heterophylla Annual agoseris

native

Annual herb

Agoseris retrorsa Spear leaved agoseris, Spearleaf agoseris, Spearleaf mountain dandelion

native

Perennial herb

Agrostis exarata Spike bentgrass, Spike redtop

native

Perennial grass

Agrostis pallens Leafy bent grass, Diego bent grass, Seashore bentgrass

native

Perennial grass

Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass

non-native

Annual grass

Allium unifolium One leaf onion, Oneleaf onion

native

Perennial herb (bulb)

ALLIACEAE

Amaryllis belladonna Belladonna lily

non-native

Perennial herb

AMARYLLIDACEAE

Amsinckia intermedia Common fiddleneck

native

Annual herb

Amsinckia menziesii Menzies' fiddleneck, Small flowered fiddleneck

native

Annual herb

Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile

non-native

Annual herb

Anthriscus caucalis Bur chervil

non-native

Annual herb, Vine

Antirrhinum thompsonii

native

Perennial herb

Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley

native

Annual herb

Apocynum cannabinum Indian hemp, Indianhemp dogbane, Hemp Dogbane

native

Perennial herb

APOCYNACEAE

Aralia californica California spikenard, Elk's clover, Elkclover

native

Perennial herb

ARALIACEAE

Arbutus menziesii Madrono, Pacific madrone, Madrone

native

Tree

ERICACEAE

Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush

native

Shrub

Artemisia douglasiana California mugwort, Douglas' sagewort

native

Perennial herb

Arundo donax Giant reed

invasive non-native
high

Perennial grass

Asclepias eriocarpa Indian milkweed, Kotolo milkweed, Woolypod milkweed

native

Perennial herb

APOCYNACEAE

Asclepias fascicularis Narrow leaf milkweed

native

Perennial herb

APOCYNACEAE

Aspidotis californica California lace fern, California lacefern

native

Fern

Astragalus curtipes Morro milkvetch, San luis obispo milkvetch, South coast milk vetch

native

Perennial herb

Avena barbata Slender oat, Slim oat

invasive non-native
moderate

Annual grass

Avena fatua Wild oat, Wildoat

invasive non-native
moderate

Annual grass

Azolla filiculoides American water fern, mosquito fern, Mosquito fern, Pacific mosquitofern

native

Fern

AZOLLACEAE

Baccharis glutinosa Douglas' baccharis, Salt marsh baccharis

native

Perennial herb

Baccharis pilularis var. consanguinea Coyote brush

native

Shrub

Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress

native

Perennial herb

Bloomeria crocea var. crocea Common goldenstar

native

Perennial herb

THEMIDACEAE

Brachypodium hybridum

Brassica nigra Black mustard

invasive non-native
moderate

Annual herb

Brickellia californica Brickell bush, California brickellbush, California brickellia

native

Shrub

Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass

invasive non-native
limited

Annual grass

Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass

invasive non-native
moderate

Annual grass

Bromus hordeaceus Soft brome, Soft chess

invasive non-native
limited

Annual grass

Bromus laevipes Chinook brome, Narrow flowered brome, Woodland brome

native

Perennial grass

Bromus madritensis Foxtail chess, foxtail brome, Madrid brome, Spanish brome

non-native

Annual grass

Bromus sitchensis var. carinatus California brome

native

Perennial grass

Calochortus albus White fairy lantern, White globe lily

native

Perennial herb

Calochortus clavatus var. clavatus Club haired mariposa lily, Clubhair mariposa lily

rare native
4.3

Perennial herb (bulb)

Calochortus splendens Splendid mariposa lily

native

Perennial herb

Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed

native

Perennial herb, Vine

CONVOLVULACEAE

Cardamine californica California toothwort, milkmaids

native

Perennial herb

Cardamine oligosperma Bitter cress, Idaho bittercress

native

Annual, Perennial herb

Carduus pycnocephalus ssp. pycnocephalus Italian thistle

non-native

Annual herb

Carduus pycnocephalus ssp. pycnocephalus

Carex globosa Round fruit sedge

native

Perennial grasslike herb

Carex nudata Dudley's sedge, Naked sedge, Torrent sedge

native

Perennial grasslike herb

Carex spissa San diego sedge

native

Perennial grasslike herb

Carex subbracteata Small bract sedge

native

Perennial grasslike herb

Castilleja affinis var. affinis Coast indian paintbrush

native

Perennial herb

OROBANCHACEAE

Ceanothus cuneatus var. cuneatus Buck brush, Buckbrush

native

Shrub

Ceanothus foliosus var. medius La cuesta ceanothus, Wavyleaf buckbrush

native

Shrub

Ceanothus oliganthus var. sorediatus Jim brush

native

Shrub

Ceanothus papillosus warty-leaf ceanothus, Wartleaf ceanothus

native

Shrub

Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed

non-native

Annual herb

Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany

native

Tree, Shrub

Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant

native

Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum

Cicuta maculata var. angustifolia Narrow leafed water hemlock, Spotted water hemlock

native

Perennial herb

Cirsium brevistylum Clustered thistle, Indian thistle

native

Perennial herb

Cirsium vulgare Bull thistle

invasive non-native
moderate

Perennial herb

Clarkia bottae Botta's clarkia, Punch bowl godetia

native

Annual herb

Clarkia purpurea ssp. quadrivulnera Four-spot, Purple clarkia, Purple godetia

native

Annual herb

Clarkia unguiculata Elegant clarkia, Mountain garland, Woodland clarkia

native

Annual herb

Claytonia gypsophiloides Gypsum spring beauty, Gypsum springbeauty

native

Annual herb

MONTIACEAE

Claytonia parviflora ssp. parviflora Narrow leaved miner's lettuce, Streambank springbeauty, Utah miner s lettuce

native

Annual herb

MONTIACEAE

Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce

native

Annual herb

MONTIACEAE

Clematis lasiantha Chaparral clematis, Pipestem

native

Perennial herb, Vine

Clematis ligusticifolia Creek clematis, Western white clematis, Yerba de chiva

native

Perennial herb, Vine

Clinopodium douglasii Yerba buena

native

Perennial herb

Collinsia heterophylla var. heterophylla Purple chinese houses, Chinese-Houses

native

Annual herb

Collinsia heterophylla var. heterophylla

Collinsia sparsiflora var. collina Hillside collinsia

native

Annual herb

Collomia heterophylla Variableleaf collomia, Varied leaved collomia

native

Annual herb

Conium maculatum Poison hemlock

invasive non-native
moderate

Perennial herb

Cordylanthus rigidus ssp. rigidus Rigid bird's beak, Stiffbranch bird's beak

native

Annual herb (hemiparasitic)

OROBANCHACEAE

Corethrogyne filaginifolia Common sandaster

native

Perennial herb

Cornus glabrata Brown dogwood

native

Tree, Shrub

CORNACEAE

Cornus sericea ssp. occidentalis Western dogwood

native

Shrub

CORNACEAE

Cuscuta subinclusa Canyon dodder

native

Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass

invasive non-native
moderate

Annual grass

Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern

native

Fern

CYSTOPTERIDACEAE

Dactylis glomerata Orchard grass, Orchardgrass

invasive non-native
limited

Perennial grass

Datisca glomerata Durango root

native

Perennial herb

DATISCACEAE

Daucus pusillus American wild carrot, Rattlesnake weed

native

Annual herb

Deinandra fasciculata Clustered tarweed

native

Annual herb

Delphinium nudicaule Canyon larkspur, Red or Orange Larkspur, Red larkspur

native

Perennial herb

Delphinium parryi ssp. parryi Parry's larkspur, San bernardino larkspur

native

Perennial herb

Deschampsia elongata Hairgrass, Slender hairgrass

native

Perennial grass

Diplacus aurantiacus var. aurantiacus Orange Bush Monkeyflower

native

Shrub

PHRYMACEAE

Dipterostemon capitatus ssp. Capitatus Blue dicks

native

Perennial herb

THEMIDACEAE

Drymocallis glandulosa var. wrangelliana Sticky cinquefoil

native

Perennial herb

Drymocallis glandulosa var. wrangelliana

Dryopteris arguta California wood fern, Coastal wood fern, Shield fern

native

Fern

DRYOPTERIDACEAE

Dudleya abramsii ssp. bettinae San Luis Obispo serpentine dudleya

rare native
1B.2

Perennial herb

CRASSULACEAE

Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya

native

Perennial herb

CRASSULACEAE

Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush

native

Perennial grasslike herb

Eleocharis parishii Parish's spike rush, Parish's spikerush

native

Perennial grasslike herb

Elymus condensatus Giant wild rye

native

Perennial grass

Elymus glaucus ssp. virescens Blue wildrye, Virginia wildrye

native

Perennial grass

Elymus multisetus Big squirreltail grass

native

Perennial grass

Emmenanthe penduliflora var. penduliflora Whispering bells, Whisperingbells

native

Annual herb

Emmenanthe penduliflora var. penduliflora

Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb

native

Annual herb

Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet

native

Perennial herb

Epilobium ciliatum ssp. watsonii Fringed willowherb, Watson's willowherb, Willow herb

native

Perennial herb

Epipactis gigantea Giant helleborine, Chatterbox orchid, Stream orchid

native

Perennial herb

ORCHIDACEAE

Equisetum hyemale ssp. affine Giant scouring rush

native

Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail

native

Fern

EQUISETACEAE

Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane

native

Perennial herb, Shrub

Erigeron philadelphicus var. philadelphicus Philadelphia fleabane

native

Perennial herb

Erigeron philadelphicus var. philadelphicus

Eriogonum elongatum var. elongatum Long stemmed buckwheat

native

Perennial herb

Eriogonum fasciculatum var. fasciculatum California buckwheat, Eastern mojave buckwheat

native

Shrub

Eriogonum fasciculatum var. fasciculatum

Eriogonum nudum var. pubiflorum Hairy flowered buckwheat, Naked buckwheat

native

Annual herb

Eriogonum parvifolium Dune eriogonum, Sea cliff buckwheat, Seacliff buckwheat

native

Shrub

Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow

native

Shrub

Eriophyllum confertiflorum var. confertiflorum

Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill

invasive non-native
limited

Annual herb

GERANIACEAE

Eschscholzia caespitosa Foothill poppy, Tufted eschscholzia, Tufted poppy

native

Annual herb

PAPAVERACEAE

Eschscholzia californica California poppy

native

Annual, Perennial herb

PAPAVERACEAE

Eucalyptus globulus Blue gum, Tasmanian bluegum

invasive non-native
limited

Tree

MYRTACEAE

Euphorbia crenulata Chinese caps, Chinesecaps

native

Annual, Perennial herb

EUPHORBIACEAE

Euphorbia spathulata Reticulate seeded spurge, Warty spurge

native

Annual herb

EUPHORBIACEAE

Eurybia radulina Roughleaf aster

native

Perennial herb

Euthamia occidentalis Western flat topped goldenrod, Western goldenrod, Western goldentop

native

Perennial herb

Festuca bromoides Brome fescue

non-native

Annual grass

Festuca californica California fescue

native

Perennial grass

Festuca microstachys Small fescue

native

Annual grass

Festuca myuros Rattail sixweeks grass

invasive non-native
moderate

Annual grass

Foeniculum vulgare Biscuit root, Sweet fennel

invasive non-native
moderate

Perennial herb

Fragaria vesca California strawberry, Wild strawberry, Wood strawberry

native

Perennial herb

Frangula californica ssp. californica California coffeeberry

native

Shrub

Fritillaria affinis Checker lily, Mission bells

native

Perennial herb (bulb)

Galium andrewsii Needlemat galium, Phlox leaved bedstraw, Phloxleaf bedstraw

native

Perennial herb

Galium aparine Cleavers, Common bedstraw, Goose grass

native

Annual herb

Galium parisiense Wall bedstraw

non-native

Annual herb

Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw

native

Vine, Shrub

Garrya elliptica Coast silk tassel, Coast silktassel, Silk tassel bush or quinine bush

native

Tree, Shrub

GARRYACEAE

Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium

invasive non-native
limited

Annual herb

GERANIACEAE

Geranium molle Crane's bill geranium, Dove's foot geranium, Dovefoot geranium

non-native

Annual, Perennial herb

GERANIACEAE

Gilia capitata Blue field gilia, Bluehead gilia

native

Annual herb

Gilia clivorum Many stemmed gilia, Purple spot gilia, Purplespot gilia

native

Annual herb

Grindelia hirsutula Gumweed, Hairy gumweed

native

Perennial herb

Hazardia squarrosa Saw toothed goldenbush, Sawtooth goldenbush

native

Shrub

Helenium bigelovii Bigelow's sneezeweed, Sneezeweed

native

Perennial herb

Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed

native

Annual herb

Heteromeles arbutifolia Christmas berry, Toyon

native

Shrub

Hieracium albiflorum White flowered hawkweed, White hawkweed

native

Perennial herb

Hieracium argutum Southern hawkweed

native

Perennial herb

Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard

invasive non-native
moderate

Perennial herb

Hoita macrostachya California hemp, Large leather root

native

Perennial herb

Hoita orbicularis Creeping leather root, Round leaved psoralea, Roundleaf leather root

native

Perennial herb

Holodiscus discolor var. discolor Oceanspray

native

Shrub

Hordeum marinum ssp. gussoneanum Barley, Mediterranean barley

non-native

Annual grass

Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley

non-native

Annual grass

Hypochaeris glabra Smooth cat's ear

invasive non-native
limited

Annual herb

Juglans hindsii Northern california black walnut

rare native

Tree

JUGLANDACEAE

Juncus balticus ssp. ater Baltic rush

native

Perennial grasslike herb

Juncus bufonius var. congestus Clustered toad rush

native

Annual grasslike herb

Juncus occidentalis Rush, Slender juncus, Western rush

native

Perennial grasslike herb

Juncus patens Common rush, Spreading rush

native

Perennial grasslike herb

Juncus xiphioides Iris leaved rush, Irisleaf rush

native

Perennial grasslike herb

Koeleria macrantha June grass, Prairie junegrass

native

Perennial grass

Lactuca serriola Prickly lettuce, Prickly wild lettuce

non-native

Annual herb

Lagophylla ramosissima Branched lagophylla, Common hareleaf

native

Annual herb

Lathyrus jepsonii var. californicus California tule pea

native

Perennial herb

Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea

native

Perennial herb

Layia gaillardioides Woodland layia, Woodland tidytips

native

Annual herb

Layia platyglossa Coastal tidytips

native

Annual herb

Lemna minor Smaller duckweed

native

Perennial herb

ARACEAE

Lemna minuta Least duckweed

native

Perennial herb

ARACEAE

Lepechinia calycina White pitcher sage, Woodbalm, pitcher sage

native

Shrub

Lithophragma affine Common woodland star, San Francisco woodland star

native

Perennial herb

SAXIFRAGACEAE

Lithophragma heterophyllum Hill star, Hillside woodland star

native

Perennial herb

SAXIFRAGACEAE

Logfia gallica Narrowleaf cottonrose

non-native

Annual herb

Lomatium californicum California lomatium, Celery weed

native

Perennial herb

Lonicera hispidula Pink honeysuckle

native

Vine, Shrub

CAPRIFOLIACEAE

Lupinus albifrons Silver bush lupine, Silver lupine

native

Shrub

Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine

native

Annual, Perennial herb

Lupinus formosus var. robustus Giant western lupine, Summer lupine

native

Perennial herb

Lupinus latifolius var. latifolius Broad leaf lupine

native

Perennial herb

Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine

native

Annual herb

Luzula macrantha

native

Perennial grasslike herb

Lysimachia latifolia Pacific starflower

native

Perennial herb

MYRSINACEAE

Madia elegans Common madia

native

Annual herb

Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed

native

Annual herb

Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed

native

Annual herb

Mahonia pinnata ssp. pinnata California barberry, Coast barberry, Shiny leaf barberry

native

Shrub

BERBERIDACEAE

Maianthemum racemosum Feathery false lily of the valley

native

Perennial herb

RUSCACEAE

Maianthemum stellatum Starry false lily of the valley

native

Perennial herb

RUSCACEAE

Malacothrix saxatilis var. commutata Cliff desertdandelion, South coast range malacothrix

native

Perennial herb

Marah fabacea California man-root

native

Perennial herb, Vine

CUCURBITACEAE

Medicago polymorpha Bur clover, Bur medic, California burclover

invasive non-native
limited

Annual herb

Melica californica California melicgrass

native

Perennial grass

Melica imperfecta California melic, Coast range melic, Small flowered melica

native

Perennial grass

Melilotus albus White sweetclover

non-native

Annual, Biennial herb

Melilotus indicus Annual yellow sweetclover, Sourclover

non-native

Annual herb

Mentha pulegium Pennyroyal

invasive non-native
moderate

Perennial herb

Mentha suaveolens Apple mint

non-native

Perennial herb

Micranthes californica Greene's saxifrage

native

Perennial herb

SAXIFRAGACEAE

Micropus californicus var. californicus Q tips, Slender cottonweed

native

Annual herb

Microsteris gracilis Slender phlox

native

Annual herb

Monardella villosa ssp. obispoensis San luis obispo coyote mint

native

Perennial herb

Nasturtium officinale Watercress

native

Perennial herb (aquatic)

Navarretia mitracarpa Paso robles navarretia

native

Annual herb

Nicotiana acuminata var. multiflora Many flowered tobacco, Manyflower tobacco, Tobacco

non-native

Annual herb

Nicotiana glauca Tree tobacco

invasive non-native
moderate

Tree, Shrub

Nicotiana quadrivalvis Indian tobacco

native

Annual herb

Notholithocarpus densiflorus var. densiflorus Tanoak

native

Tree, Shrub

Notholithocarpus densiflorus var. densiflorus

Oemleria cerasiformis Indian plum, Oso berry

native

Shrub

Osmorhiza berteroi Sweet cicely

native

Perennial herb

Osmorhiza brachypoda California sweet cicely, California sweetcicely

native

Perennial herb

Paeonia californica California peony

native

Perennial herb

PAEONIACEAE

Pectocarya pusilla Little gruvelia

native

Annual herb

Pedicularis densiflora ssp. densiflora Warrior's plume, Indian warrior

native

Perennial herb

OROBANCHACEAE

Pellaea andromedifolia Coffee cliffbrake, Coffee fern

native

Fern

Pentagramma triangularis ssp. triangularis Gold back fern

native

Fern

Pentagramma triangularis ssp. triangularis

Phacelia imbricata ssp. imbricata Imbricate Phacelia

native

Annual herb

Phacelia malvifolia Stinging phacelia

native

Annual herb

Phacelia nemoralis ssp. nemoralis Woods phacelia

native

Perennial herb

Phalaris aquatica Bulbous canarygrass, Harding grass

invasive non-native
moderate

Perennial grass

Physocarpus capitatus Ninebark, Pacific ninebark, Western ninebark

native

Shrub

Pickeringia montana var. montana Montana chaparral pea

native

Shrub

Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower

native

Annual herb

Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass

invasive non-native
limited

Perennial herb

Platanthera michaelii

Platanus racemosa California sycamore, Western sycamore

native

Tree

PLATANACEAE

Plectritis ciliosa Long spurred plectritis, Longspur seablush

native

Annual herb

VALERIANACEAE

Plectritis congesta ssp. brachystemon Shortspur seablush

native

Annual herb

VALERIANACEAE

Pluchea odorata var. odorata Salt marsh fleabane

native

Annual, Perennial herb

Poa annua Annual blue grass, Annual bluegrass

non-native

Annual grass

Poa howellii Howell's blue grass, Howell's bluegrass

native

Annual grass

Poa secunda var. scabrella One sided blue grass, Pine bluegrass, Sandberg bluegrass

native

Perennial grass

Polypodium californicum California polypody

native

Fern

POLYPODIACEAE

Polypodium calirhiza Acrid fern, Licorice fern, Nested polypody

native

Fern

POLYPODIACEAE

Polypogon interruptus Ditch beard grass, Ditch rabbitsfoot grass

non-native

Perennial grass

Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass

invasive non-native
limited

Annual grass

Polypogon viridis Water beard grass

non-native

Perennial grass

Polystichum munitum Western sword fern, Western swordfern

native

Fern

DRYOPTERIDACEAE

Populus fremontii ssp. fremontii Fremont cottonwood

native

Tree

Populus trichocarpa Black cottonwood

native

Tree

Potamogeton foliosus ssp. foliosus Leafy pondweed

native

Perennial herb (aquatic)

POTAMOGETONACEAE

Prosartes hookeri Drops of gold

native

Perennial herb

Prunus ilicifolia ssp. ilicifolia Holly leaf cherry, Hollyleaf cherry

native

Tree, Shrub

Prunus virginiana var. demissa Chokecherry, Western choke cherry, Western chokecherry

native

Tree, Shrub

Pseudognaphalium beneolens Cudweed

native

Perennial herb

Pseudognaphalium californicum Ladies' tobacco

native

Annual, Perennial herb

Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern

native

Fern

DENNSTAEDTIACEAE

Quercus agrifolia var. agrifolia California live oak, Coast live oak

native

Tree

Quercus berberidifolia Inland scrub oak

native

Tree

Quercus lobata California white oak, Valley oak

native

Tree

Rafinesquia californica California chicory, California plumseed

native

Annual herb

Ranunculus californicus var. californicus Common buttercup

native

Perennial herb

Ranunculus californicus var. californicus

Ranunculus hebecarpus Delicate buttercup, Pubescent fruited buttercup, Slender annual buttercup

native

Annual herb

Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry

native

Shrub

Ribes californicum var. californicum California gooseberry, Hillside gooseberry

native

Shrub

Ribes divaricatum var. pubiflorum Spreading gooseberry, Straggly gooseberry

native

Shrub

Ribes sanguineum var. glutinosum Blood currant, Flowering currant, Pink flowering currant

native

Shrub

Ribes sericeum Santa lucia gooseberry

rare native
4.3

Shrub

Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry

native

Shrub

Rosa californica California wild rose, California wildrose

native

Shrub

Rosa gymnocarpa var. gymnocarpa Wood rose

native

Shrub

Rubus ursinus California blackberry, Pacific blackberry

native

Vine, Shrub

Rumex conglomeratus Clustered dock, Green dock

non-native

Perennial herb

Rumex crispus Curly dock, Curly leaved dock, Rhubarb

invasive non-native
limited

Perennial herb

Rumex kerneri Kerner's dock

non-native

Perennial herb

Rumex salicifolius var. salicifolius Willow dock, Willow leaved dock

native

Perennial herb

Salix lasiandra var. lasiandra Pacific willow

native

Tree

Salix lasiolepis Arroyo willow

native

Tree, Shrub

Salvia mellifera Black sage

native

Shrub

Salvia spathacea Hummingbird sage

native

Perennial herb

Sambucus mexicana ssp. mexicana Blue elderberry

native

Tree, Shrub

VIBURNACEAE

Sanicula bipinnata Poison sanicle

native

Perennial herb

Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle

native

Perennial herb

Schoenoplectus pungens var. longispicatus Common threesquare

native

Perennial grasslike herb

Schoenoplectus pungens var. longispicatus

Scirpus microcarpus Panicled bulrush, Small fruited bulrush

native

Perennial grasslike herb

Scrophularia californica ssp. californica California bee plant, California figwort

native

Perennial herb

Scrophularia californica ssp. californica

Scrophularia californica ssp. floribunda California bee plant, California figwort

native

Perennial herb

Scrophularia californica ssp. floribunda

Senecio aronicoides California butterweed, California groundsel, California rayless butterweed

native

Perennial herb

Silene laciniata ssp. laciniata Cardinal catchfly

native

Perennial herb

Silybum marianum Blessed milkthistle, Milk thistle

invasive non-native
limited

Annual, Perennial herb

Solanum umbelliferum var. xanti Blue witch nightshade, Bluewitch nightshade

native

Shrub

Solidago elongata West coast canada goldenrod

native

Perennial herb

Solidago velutina ssp. californica California goldenrod, Oreja de liebre

native

Perennial herb

Sonchus asper ssp. asper Prickly sow thistle, Sow thistle

non-native

Annual herb

Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle

non-native

Annual herb

Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle

native

Perennial herb

Stachys pycnantha ssp. pycnantha Short spike hedge nettle, Shortspike hedgenettle

native

Perennial herb

Stellaria media Chickweed

non-native

Annual herb

Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed

native

Annual herb

Stephanomeria cichoriacea Chicory leaved stephanomeria, Chicoryleaf wirelettuce, Fort tejon milk aster

native

Perennial herb

Symphoricarpos albus var. laevigatus Common snowberry, Upright snowberry, Snowberry

native

Shrub

CAPRIFOLIACEAE

Symphyotrichum chilense California aster, Pacific aster

native

Perennial herb

Taraxacum officinale Common dandelion

non-native

Perennial herb

Tauschia hartwegii Hartweg's tauschia, Hartweg's umbrellawort, Tauschia

native

Perennial herb

Thalictrum fendleri var. polycarpum Fendler's meadow rue, Meadow rue, Torrey's meadow rue

native

Perennial herb

Thysanocarpus curvipes ssp. curvipes Fringe Pod

native

Annual herb

Thysanocarpus laciniatus Common lace pod, Mountain fringepod, Narrow leaved fringe pod

native

Annual herb

Torilis arvensis Field hedge parsley, Spreading hedgeparsley, Tall Sock-Destroyer

invasive non-native
moderate

Annual herb

Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley

non-native

Annual herb

Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak

native

Vine, Shrub

ANACARDIACEAE

Tragopogon porrifolius Purple salsify

non-native

Perennial herb

Trifolium bifidum var. decipiens Notch leaf clover

native

Annual herb

Trifolium ciliolatum Foothill clover, Tree clover

native

Annual herb

Trifolium fucatum Bull clover, Sour clover

native

Annual herb

Trifolium microcephalum Hairy clover, Small headed clover

native

Annual herb

Trifolium microdon Thimble clover, Valparaiso clover

native

Annual herb

Trifolium willdenovii Tomcat clover

native

Annual herb

Trillium angustipetalum Narrow petaled wakerobin, Narrowpetal wakerobin

native

Perennial herb

MELANTHIACEAE

Trisetum canescens Nodding oatgrass, Nodding trisetum, Tall trisetum

native

Perennial grass

Turritis glabra Tower rockcress

native

Perennial herb

Typha domingensis Narrowleaf cattail, Southern cattail

native

Perennial herb

TYPHACEAE

Umbellularia californica Bay laurel, California bay, California laurel, bay tree

native

Tree

LAURACEAE

Verbascum thapsus Common mullein, Woolly mullein

invasive non-native
limited

Perennial herb

Verbascum virgatum Wand mullein

non-native

Perennial herb

Verbena lasiostachys var. lasiostachys Vervain, Western vervain

native

Perennial herb

VERBENACEAE

Veronica anagallis-aquatica Water speedwell

non-native

Perennial herb

Vicia americana ssp. americana American vetch

native

Perennial herb, Vine

Vicia hassei Hasse's vetch

native

Vine

Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch

non-native

Annual herb, Vine

Wyethia glabra Coast range mule ears, Shining mule ears, Smooth mule ears

native

Perennial herb